.v2-dropdown {
    position: relative;
    min-width: 0;
}

.v2-dropdown-trigger,
.v2-toggle,
.v2-tabs-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    min-height: 2.75rem;
    padding: 0.68rem 0.92rem;
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    background: var(--bg-surface);
    color: var(--text-body);
    font-size: var(--font-size-sm);
    font-weight: 600;
    line-height: 1;
    box-shadow: var(--shadow-xs);
    transition:
        color var(--transition-base),
        border-color var(--transition-base),
        background-color var(--transition-base),
        box-shadow var(--transition-base),
        transform var(--transition-base);
}

.v2-dropdown-trigger:hover,
.v2-toggle:hover,
.v2-tabs-item:hover {
    color: var(--color-brand-600);
    border-color: #c7d6ea;
    background: var(--bg-muted);
    transform: translateY(-1px);
}

.v2-dropdown-trigger i,
.v2-toggle i,
.v2-tabs-item i {
    font-size: 0.95em;
}

.v2-dropdown.is-open .v2-dropdown-trigger,
.v2-toggle.is-active,
.v2-tabs-item.is-active,
.v2-tabs-item[aria-selected="true"] {
    color: var(--color-brand-600);
    border-color: #bcd0ff;
    background: #eef4ff;
    box-shadow: 0 10px 18px rgba(59, 99, 220, 0.12);
}

.v2-dropdown-menu {
    position: absolute;
    top: calc(100% + 0.55rem);
    left: 0;
    z-index: var(--z-dropdown);
    display: grid;
    gap: 0.2rem;
    min-width: 100%;
    max-height: 16.5rem;
    padding: 0.42rem;
    overflow-y: auto;
    border: 1px solid rgba(208, 220, 238, 0.95);
    border-radius: 0.92rem;
    background: rgba(255, 255, 255, 0.98);
    box-shadow:
        0 18px 38px rgba(30, 55, 98, 0.12),
        0 1px 0 rgba(255, 255, 255, 0.9) inset;
    opacity: 0;
    visibility: hidden;
    transform: translateY(6px);
    transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
    backdrop-filter: blur(10px);
}

.v2-dropdown.is-open .v2-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.v2-dropdown-option {
    width: 100%;
    min-height: 2.65rem;
    padding: 0.72rem 0.82rem;
    border: 0;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-body);
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-align: left;
    transition: background-color var(--transition-base), color var(--transition-base), transform var(--transition-base);
}

.v2-dropdown-option:hover {
    background: #f4f8ff;
    color: var(--color-brand-600);
    transform: translateX(2px);
}

.v2-dropdown-option.is-selected,
.v2-dropdown-option[aria-selected="true"] {
    background: linear-gradient(135deg, #eef4ff 0%, #e6efff 100%);
    color: var(--color-brand-600);
    font-weight: 600;
}

.v2-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.v2-tabs--underline {
    gap: var(--space-5);
}

.v2-tabs--underline .v2-tabs-item {
    min-height: 0;
    padding: 0 0 var(--space-2);
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    border-bottom: 2px solid transparent;
}

.v2-tabs--underline .v2-tabs-item:hover {
    background: transparent;
    transform: none;
}

.v2-tabs--underline .v2-tabs-item.is-active,
.v2-tabs--underline .v2-tabs-item[aria-selected="true"] {
    background: transparent;
    box-shadow: none;
    border-bottom-color: var(--color-brand-500);
}

.v2-toggle-group {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.v2-toggle {
    min-width: 2.75rem;
    padding-inline: 0.78rem;
}

.v2-toggle--icon {
    width: 2.75rem;
    padding: 0;
}

/* Compatibility layer for existing custom select pattern */
.v2-hw-custom-select-trigger {
    transition:
        color var(--transition-base),
        border-color var(--transition-base),
        background-color var(--transition-base),
        box-shadow var(--transition-base),
        transform var(--transition-base);
}

.v2-hw-custom-select.is-open .v2-hw-custom-select-menu {
    z-index: var(--z-dropdown);
}